| Optical recording materials writable using blue lasers -> Monitor Keywords |
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  Optical recording materials writable using blue lasersUSPTO Application #: 20070172624Title: Optical recording materials writable using blue lasers Abstract: The invention relates to an optical recording medium comprising a substrate, a recording layer and optionally one or more reflecting layers, wherein the recording layer comprises a compound of formula (I) or a tautomeric or mesomeric form thereof, wherein G1 and G2 are each independently of the other C(R5) or N; M1 is a lanthanide or transition metal of groups 4 to 10; P is a phthalocyanino diradical; and R1 to R5 are substituents as defined in the description and the claims. Recording and playback are effected especially at a wavelength of from 350 to 500 nm, for example using a blue laser. The recording and playback quality is excellent and allows a high storage density. (end of abstract) USPTO Applicaton #: 20070172624 - Class: 428064400 (USPTO) Related Patent Categories: Stock Material Or Miscellaneous Articles, Circular Sheet Or Circular Blank, Recording Medium Or Carrier, Optical Recording Medium Or Carrier
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